Bushnell Elite ET1040 ETACT Elite Tactical 10x40 Mil Dot Riflescope with side focus has RainGuard HD, multi-coated optics, and magnum recoil proof construction. In addition some of the other features are one-piece tube, fast-focus eyepiece, "Blacked-Out" cosmetics, and a target turrets. It is 100% waterproof, fogproof, and shockproof, and is argon purged.